SAP Message AP268 - No hierarchy of organizational units has been maintained

Diagnosis
You want to generate an investment program from a hierarchy ofpreviously specified organizational units, but you did not maintain thehierarchy you want to use in Customizing.

System Response
It is not possible to generate an investment program without defining ahierarchy of organizational units beforehand.
In Customizing maintain organizational unitsas level for programs, maintain the hierarchy of organizationalunits that you want to use for generating the investment program.